Will and Geordie investigate the mysterious death of a circus performer. Will receives a surprising offer that makes him question his life in Grantchester.

An abandoned baby is discovered on the same day that a hotel manager is found dead. Things are complicated further when Geordie is blindsided by Will's news.

Geordie and new vicar Alphy Kottaram get off on the wrong foot but soon find themselves teaming up to investigate the murder of a local landowner.

Alphy is invited to a party at a country manor, where he hopes to raise funds for the ailing church. The evening's frivolities are cut short when a body is found in the basement.

A murder at Esme's office sends shockwaves through the Keating family. Alphy's meeting with the bishop fails to go as planned.

Alphy and Geordie's investigation into the murder of an archaeologist uncovers a tangled web of betrayal and deceit.

Alphy discovers that a woman he knows has gone missing. When her friend is murdered, Alphy and Geordie race to find the answers.

When a man is found dead on the streets of Cambridge, Alphy and Geordie begin to unravel clues that leads them to a shocking revelation.